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- /*
- * Copyright (C) 2012-present the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package org.pf4j;
-
- import com.github.zafarkhaja.semver.Version;
- import com.github.zafarkhaja.semver.expr.Expression;
- import org.pf4j.util.StringUtils;
-
- /**
- * Default implementation for {@link VersionManager}.
- * This implementation uses jSemVer (a Java implementation of the SemVer Specification).
- *
- * @author Decebal Suiu
- */
- public class DefaultVersionManager implements VersionManager {
-
- /**
- * Checks if a version satisfies the specified SemVer {@link Expression} string.
- * If the constraint is empty or null then the method returns true.
- * Constraint examples: {@code >2.0.0} (simple), {@code ">=1.4.0 & <1.6.0"} (range).
- * See https://github.com/zafarkhaja/jsemver#semver-expressions-api-ranges for more info.
- *
- * @param version
- * @param constraint
- * @return
- */
- @Override
- public boolean checkVersionConstraint(String version, String constraint) {
- return StringUtils.isNullOrEmpty(constraint) || "*".equals(constraint) || Version.valueOf(version).satisfies(constraint);
- }
-
- @Override
- public int compareVersions(String v1, String v2) {
- return Version.valueOf(v1).compareTo(Version.valueOf(v2));
- }
-
- }
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